Model for grain. You need to add one grain model for each type of grain. This model can be used together with a soil model and an atmosphere model.

• Irrigation_rate_per_m2: The contribution from irrigation, per square meter. Given by the soil model.
• Q_soil: The total quantity in the root zone of soil. Given by the soil model.
• h_root: The height of the root zone. Given by the soil model.
• rho_soil_dry: The dry density of the soil. Given by the soil model.

• Q_ing_rate: The ingestion rate from ingestion of grain. Used by the body model.
• S_field: The surface area of the grain field. Used by the soil model.
• Irrigation_rate_intercepted: The rate of soil contamination due to irrigation intercepted by the plant. Used by the soil model.
• cultivation_time: A flag indicating when the plant is growing. Used by the soil model.

• Body Model
• Body Model
• Soil Model

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